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Alarmed by Climate Change, Astronomers Train Their Sights on Earth

By Katrina Miller and Delger Erdenesanaa from NYT Science https://ift.tt/DVdbH1Y via IFTTT

Rewriting the history books: Why the Vikings left Greenland

Rewriting the history books: Why the Vikings left Greenland

Lake 578 in southern Greenland Increasing aridity contributed to Norse abandonment of settlements in the 15th century
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=305004&WT.mc_id=USNSF_1


This is a Research News item.

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